How to Get .STM Files Back After Formatting an SD Card

Have files been deleted due to a user’s error or software error? Have you formatted a disk by accident and need to know how to recover the files? Read our .STM file recovery guide for Windows, MacOS, Android and IOS in 2025.

How to Get .STM Files Back After Formatting an SD Card
Data Recovery Tool

What is a .STM file?

Data file saved by Microsoft Exchange Server in conjunction with .EDB files. STM files store streamed native Internet content. New messages are saved to the STM file on the mail server until they are accessed by a user's mail client. When messages are accessed by a MAPI client, they are transferred to the EDB file and converted to the native Exchange format.

What Are Common Causes of ".STM" Files Lost or Failure?

There can be several common causes for ".STM" files lost or failure:

  1. Accidental deletion: Users may accidentally delete the ".STM" files while organizing or cleaning up their computer system.
  2. Software or hardware failure: Issues with software or hardware components like hard drive failure, system crashes, or power outages can lead to the loss or corruption of ".STM" files.
  3. Virus or malware attacks: Malicious software or viruses can infect and damage ".STM" files, making them inaccessible or corrupt.
  4. Improper file transfer: If ".STM" files are not transferred properly, such as interrupted downloads or incomplete file transfers, it can result in file corruption or loss.
  5. File system errors: Errors in the file system, such as disk errors or file system corruption, can cause ".STM" files to become unreadable or lost.
  6. Improper shutdown: Abruptly shutting down the computer without properly closing the application or saving the ".STM" files can lead to file corruption or loss.
  7. Incompatibility issues: If the software or application used to open ".STM" files is not compatible with the operating system or other software components, it can result in file failure or loss.
  8. Human error: Accidental overwriting, formatting the storage device, or mistakenly renaming or moving the ".STM" files can cause them to be lost or inaccessible.

It is important to regularly backup ".STM" files to prevent loss and to use reliable data recovery methods or software in case of file failure.

How to recover lost ".STM" files?

Sometimes while working with a computer, laptop or other stationary or mobile devices, you may encounter various bugs, freezes, hardware or software failures, even in spite of regular updates and junk cleaning. As a result, an important ".STM" file may be deleted.

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🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

By no means should you think that the only way to recover a ".STM" file is always to create it once more.

Use programs for recovering ".STM" files if a file was lost after accidental or deliberate deleting, formatting the memory card or the internal storage, cleaning the storage device, after a virus attack or a system failure.

Programs to recover ".STM" files

Looking for a way to get files back? In cases when files were deleted and they cannot be restored by using standard operating system tools, use Hetman Partition Recovery.

Partition Recovery™ 5.0
The tool recovers data from any devices, regardless of the cause of data loss.
Download

Follow the directions below:

  1. Download Hetman Partition Recovery, install and start the program.

  2. The program will automatically scan the computer and display all hard disks and removable drives connected to it, as well as physical and local disks.

    File Recovery Software

  3. Double-click on the disk from which you need to recover ".STM" files, and select analysis type.

    Hetman Partition Recovery - Analysis Type

  4. When the scanning is over, you will be shown the files for recovery.

    Hetman Partition Recovery - Files that Can be Restored

  5. To find a file you need, use the program’s interface to open the folder it was deleted from, or go to the folder "Content-Aware Analysis" and select the required file type.

    Hetman Partition Recovery - Deep Scan

  6. Select the files you have been looking for and click "Recovery".

    File Recovery Software - Files List for Recovery

  7. Choose one of the methods for saving the files and recover them.

    Saving recovered files in Hetman Partition Recovery

How to open file with ".STM" extension?

Looking for how to open a stereo exchange Streaming Media File image file file?

Programs that open ".STM" files

Windows
Microsoft Exchange Server Microsoft Exchange Server
Stellar Phoenix Mailbox Exchange Recovery Stellar Phoenix Mailbox Exchange Recovery

Additional Information

  • File type: Exchange Streaming Media File

  • File extension: .STM

  • Developer: Microsoft

  • Category: Data Files

  • Format: N/A

  • File types that use the extension .STM:

    • Exchange Streaming Media File

    • Scream Tracker 2 Module

    • The Powder Toy Stamp File

    • SSI Web Page

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 16:23 #
    Leave a comment if you have any questions about Recovering lost .STM files after deleting, cleaning or formatting!
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Vladimir Artiukh

Author: Vladimir Artiukh, Technical Writer

Vladimir Artiukh is a technical writer for Hetman Software, as well as the voice and face of their English-speaking YouTube channel, Hetman Software: Data Recovery for Windows. He handles tutorials, how-tos, and detailed reviews on how the company’s tools work with all kinds of data storage devices.

Oleg Afonin

Editor: Oleg Afonin, Technical Writer

Oleg Afonin is an expert in mobile forensics, data recovery and computer systems. He often attends large data security conferences, and writes several blogs for such resources as xaker.ru, Elcomsoft and Habr. In addition to his online activities, Oleg’s articles are also published in professional magazines. Also, Oleg Afonin is the co-author of a well-known book, Mobile Forensics - Advanced Investigative Strategies.

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Questions and answers

  • How can I create a .STM backup file for my data?

    To create a .STM backup file for your data, you can follow these steps:

    1. Identify the data you want to back up: Determine which files or folders you want to include in the backup. This could be specific documents, databases, or any other important data.
    2. Choose a backup method: There are several ways to create a backup, such as using backup software, built-in operating system tools, or cloud storage services. Select the method that suits your needs and available resources.
    3. Backup using backup software:
    • Install a reliable backup software program on your computer.
    • Launch the software and follow the on-screen instructions to set up a backup job.
    • Select the data you want to include in the backup by browsing through your files and folders.
    • Choose the destination where you want to store the backup file. Ensure it is a location that you can access later.
    • Configure any additional settings, such as scheduling automatic backups or encrypting the backup file.
    • Start the backup process and wait for it to complete.

    Backup using built-in operating system tools:

    • Windows: On Windows, you can use the built-in File History or Backup and Restore tools. Open the Control Panel, search for "Backup and Restore," and follow the instructions to set up a backup job.
    • Mac: Mac computers have a built-in backup tool called Time Machine. Open System Preferences, select Time Machine, and set up a backup destination and schedule.

    Backup using cloud storage services:

    • Sign up for a cloud storage service like Google Drive, Dropbox, or OneDrive.
    • Install the respective client application on your computer.
    • Select the files and folders you want to back up and move them to the sync folder created by the cloud storage service.
    • The client application will automatically sync the files to the cloud, creating a backup copy.

    Remember to regularly update your backups to ensure your data is protected. Additionally, consider keeping multiple copies of backups in different locations for added security.

  • What is the purpose of a .STM backup file and how does it differ from other backup formats?

    The purpose of a .STM backup file is to store email messages and other data in Microsoft Exchange Server. Specifically, it is used to store the streaming media attachments of email messages, such as audio or video files.

    The .STM backup file format is specific to Microsoft Exchange Server and differs from other backup formats in a few ways:

    1. Content: The .STM file format is designed to store the streaming media attachments of email messages. It does not contain the actual email messages themselves, which are stored in a separate database file (.EDB) in Exchange Server. Other backup formats may store different types of data, such as files, databases, or system configurations.
    2. Size: The .STM file format is optimized for efficient storage of streaming media attachments. It uses a different data structure and compression techniques compared to other backup formats, which may be more suitable for general data storage.
    3. Compatibility: The .STM backup file can only be used in conjunction with Microsoft Exchange Server. It is not compatible with other email servers or backup software. In contrast, other backup formats may be more widely supported and can be used with different software or platforms.

    Overall, the purpose of a .STM backup file is to provide a means of backing up and restoring streaming media attachments in Microsoft Exchange Server, ensuring the availability and integrity of email messages containing such attachments.

  • How can I restore data from a .STM backup file in case of data loss or system failure?

    To restore data from a .STM backup file in case of data loss or system failure, you can follow these steps:

    1. Identify the backup file: Locate the .STM backup file that contains the data you want to restore. Ensure that you have a backup file available, either on an external storage device or a remote backup location.
    2. Install the necessary software: If you don't have the required software to restore the data, ensure that you have the appropriate software installed on your system. This software should be capable of reading and restoring data from the .STM backup file.
    3. Open the software: Launch the software you installed in the previous step.
    4. Locate the restore option: Look for the restore or recovery option within the software. It may be located in the main menu or in a specific section dedicated to data restoration.
    5. Select the backup file: Choose the .STM backup file you want to restore from. The software should provide an option to browse and select the backup file from its location.
    6. Start the restore process: Initiate the restore process by clicking on the appropriate button or option within the software. Follow any on-screen instructions or prompts that the software provides.
    7. Choose the restore location: Select the location where you want the restored data to be saved. It is recommended to choose a different location than the original one to avoid overwriting any existing data.
    8. Wait for the restore to complete: Depending on the size of the backup file and the speed of your system, the restore process may take some time. Be patient and let the software complete the restoration.
    9. Verify the restored data: Once the restore process is finished, verify that the restored data is accessible and intact. Open the restored files or access the restored data to ensure it is as expected.
    10. Take preventive measures: After successfully restoring the data, take preventive measures to avoid future data loss or system failure. Regularly backup your data, maintain system updates, and implement appropriate security measures.

    Note: The specific steps may vary depending on the software you are using to restore the .STM backup file. Refer to the software's documentation or online resources for detailed instructions.
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